题目链接:https://hihocoder.com/problemset/problem/1334 时间限制:10000ms 单点时限:1000ms 内存限制:256MB 描述 Given N words from the top 100 common words in English (see below for reference), select as many words as possible as long as no two words share common letters.…
Corn Fields Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 9806 Accepted: 5185 Description Farmer John has purchased a lush new rectangular pasture composed of M by N (1 ≤ M ≤ 12; 1 ≤ N ≤ 12) square parcels. He wants to grow some yumm…
B. Preparing Olympiad You have n problems. You have estimated the difficulty of the i-th one as integer ci. Now you want to prepare a problemset for a contest, using some of the problems you've made. A problemset for the contest must consist of at le…
题意:给出一个n行m列的草地,1表示肥沃,0表示贫瘠,现在要把一些牛放在肥沃的草地上,但是要求所有牛不能相邻,问你有多少种放法. 分析:假如我们知道第 i-1 行的所有的可以放的情况,那么对于第 i 行的可以放的一种情况,我们只要判断它和 i - 1 行的所有情况的能不能满足题目的所有牛不相邻,如果有种中满足,那么对于 i 行的这一中情况有 x 中放法. 但是我们又发现,状态是一种放法,不是我们平常dp的简单的状态,所以要用状态压缩! dp[i][j]表示第i行状态为j的个数. dp…
Corn Fields Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 4739 Accepted: 2506 Description Farmer John has purchased a lush new rectangular pasture composed of M by N (1 ≤ M ≤ 12; 1 ≤ N ≤ 12) square parcels. He wants to grow some yumm…
SRM 513 2 1000CutTheNumbers Problem Statement Manao has a board filled with digits represented as String[] board. The j-th character of the i-th element of board represents the digit written in cell in row i, column j of the board. The rows are numbe…